Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
mot chieu » doi chieu
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
mang va » mang vua, hang va, bang va
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (((ho chieu) or (mot chieu)))) sach - nhanh mang va hang cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (((ho chieu) OR (mot chieu)))) sach - nhanh mang va hang cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (((ho chieu) or (mot chieu)))) sach - nhanh mang va hang cong tan toan cau*.