Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
nang mai » nang ma, nang tai, lang mai
day hanh » day nhanh, day thanh, dao hanh
sach ty » sach y, sach tu, sach thu
mai hoi » mai khoi, dai hoi, lai hoi
thi van » thi lan, thi hanh, thi nang
thu day » thuc day, thu da, thu dac
hanh de » hanh ve, hanh kem
su tien » su kien, su hien, tu tieng
de su » den su, ve su, de 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) or (sach thue)) nang mai hoi. thi van nam thu day hanh de su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach thue)) nang mai hoi. thi van nam thu day hanh de su tien.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach thue)) nang mai hoi. thi van nam thu day hanh de su tien*.