@IceT: thank for your advises...I will modify when water is clearer...
@eklikewhoa: How do you know " Chuc Mung Nam Moi"? I will show you the left side later...
@LandaC: That driftwood is my friend's present in the occation of New Year! I love it too...
After 2h of sleeping...

...I continue my job with some kind of grass as Echinodorus tenellus , Sagittaria subulata...

Left hand side with Echinodorus tenellus, peacock moss:
After one week, water is still not very clear as expected...
Sunrise...

Sunset...

and moonlight:

Dreaming stream:
