Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh toan
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh hang » thanh hoang, tranh hang, thanh hung
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((thanh trung) or (((thanh hang) OR (thanh thang)))) cua nhung cong tan ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh trung) OR (((thanh hang) OR (thanh thang)))) cua nhung cong tan ran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh trung) or (((thanh hang) OR (thanh thang)))) cua nhung cong tan ran cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh trung) or (((thanh hang) OR (thanh thang)))) cua nhung cong tan ran cau*.