Perhaps you should try some spelling variations:
te sach » toc sach
truc va » thuc va, thuc vat, trung va
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
tuc va » thuc va, tuc xa, duc va
va cao » va cac, va co, va dao
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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 ty nang ma hoi. hieu va cao ((tuc va) or (truc va)) ((hanh kem) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ma hoi. hieu va cao ((tuc va) OR (truc va)) ((hanh kem) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ma hoi. hieu va cao ((tuc va) or (truc va)) ((hanh kem) or (hanh vi)) cua te*.