Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
qua cac » cua cac
qua cai » qua hai, qua ca, quan cau
sach tu » sach thu, cach tu, sach ty
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky
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: so ((sach tu) or (sac ky)) nang ma hoi. hieu ((qua cai) or (qua cac)) duc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach tu) OR (sac ky)) nang ma hoi. hieu ((qua cai) OR (qua cac)) duc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: so ((sach tu) or (sac ky)) nang ma hoi. hieu ((qua cai) or (qua cac)) duc va hanh lai cua te*.