Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
qua dung » quang dung, su dung, qua song
toan cao » toan ban, toan tap

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)) sach - ((hanh tang) or (hanh mang)) qua dung cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) sach - ((hanh tang) OR (hanh mang)) qua dung cong thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) sach - ((hanh tang) or (hanh mang)) qua dung cong thanh toan cao*.