Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
te sach » toc sach
tai hoi » tai khoi, dai hoi, tai hai
hang vi » hang va, hanh vi, hang di
va hang » van hang, va nang, va lang
thuc va » thuc vat, thuc dan, thuc day
ve cham » va cham, ve chat, vu cham
vi cua » vai cua, di cua
cua te » cua tu
va cai » va cac, va bai, va dai

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) or (thu hoach)) ky nang tai hoi. hieu ((va cai) or (ve cham)) thuc va hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky nang tai hoi. hieu ((va cai) OR (ve cham)) thuc va hang vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky nang tai hoi. hieu ((va cai) or (ve cham)) thuc va hang vi cua te*.