Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
te sach » toc sach
va hanh » van hanh, va thanh, ban hanh
tu nang » tu nong, tu nano, tu lang
va danh » va dinh, va dan, dia danh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va cua » va chua, via cua, ca cua
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
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: te sach ((tu nang) or (tru nang)) ma hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tru nang)) ma hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu nang) or (tru nang)) ma hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tru nang)) ma hoi. hieu ve cac xuc ((va hanh) OR (va danh)) va cua tu*.