Perhaps you should try some spelling variations:
thien van » thi van
nam thuc » nam thuoc, am thuc, nam thu
vu khac » vu kham, vu khanh, bui khac
khac lo » khac do, khac co, khac mo
lo nang » ho nang, ly nang, loai nang
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, dam thuc
xa hanh » xa thanh, xa khanh, va hanh
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac lo nang xa hoi. ((thien van) or (lieu va)) ((cam tuc) or (nam thuc)) xa hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac lo nang xa hoi. ((thien van) OR (lieu va)) ((cam tuc) OR (nam thuc)) xa hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: vu khac lo nang xa hoi. ((thien van) or (lieu va)) ((cam tuc) or (nam thuc)) xa hanh vi cua tu*.