Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
nhan tuc » nhan thuc, nhan luc, nhanh thuc
te sach » toc sach
tai cua » thai cua, tai cuc, tri cua
va hang » van hang, va nang, va lang
hieu va » lieu va
tu nang » tru nang, tu nong, tu lang
tu nano » truc nano
tuc va » thuc va, truc va, tuc xa
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((tu nang) or (tu nano)) x hoi. ((hieu va) or (hieu qua)) nhan tuc va hang tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tu nano)) x hoi. ((hieu va) OR (hieu qua)) nhan tuc va hang tai cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tu nano)) x hoi. ((hieu va) or (hieu qua)) nhan tuc va hang tai cua tu*.