Perhaps you should try some spelling variations:
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
tu nang » tru nang, tu nong, tu lang
hanh va » hang va, hanh vi
tu nano » truc nano
va hanh » van hanh, va thanh, va danh
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va cua » va chua, via cua, ca cua
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu
ma hoi » xa hoi, ma hoa, me hoi

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)) ((ma hoi) or (mai hoi)). hieu va cac xuc va hanh va cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tu nano)) ((ma hoi) OR (mai hoi)). hieu va cac xuc va hanh va cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tu nano)) ((ma hoi) or (mai hoi)). hieu va cac xuc va hanh va cua tu*.