Perhaps you should try some spelling variations:
chet duc » chet duoc, viet duc, che duoc
hanh lai » hanh tai, thanh lap, thanh loi
hanh lam » thanh lap, hanh kem, hanh va
tu sach » thu sach, su sach, te sach
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve chet » ve chat, ve che, se chet
y tang » ky tang, 6 tang, 7 tang
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: tu sach y tang ma hoa. hieu ve chet duc va ((hanh lai) or (hanh lam)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y tang ma hoa. hieu ve chet duc va ((hanh lai) OR (hanh lam)) cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sach y tang ma hoa. hieu ve chet duc va ((hanh lai) or (hanh lam)) cua tu*.