Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
vu khach » vu khanh, vu khac, vay khach
hoat luc » hoa lu, hat luu, hoat quy
thanh vi » hanh vi, thanh va, thanh ve
tu nang » tru nang, tu nong, tu nano
luc ban » duc ban, cuc ban, luc bat
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu
qua » quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ((((tu nang) or (tu dong))) or (truc nano)) xa hoi. hieu qua hoat luc ban thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((((tu nang) OR (tu dong))) OR (truc nano)) xa hoi. hieu qua hoat luc ban thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ((((tu nang) or (tu dong))) or (truc nano)) xa hoi. hieu qua hoat luc ban thanh vi cuu tre*.