Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
vuong tuan » vuong quan, duong tuan, vong tuan
luong van » luong va, duong van, luong vat
chi sach » chinh sach, chieu sach, co sach
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi
dung ha » dung va, dung he, dung khoa
ha hung » hai hung, ham hung, hao hung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh dung ha hung ((luong van) or (vuong tuan)) ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh dung ha hung ((luong van) OR (vuong tuan)) ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh dung ha hung ((luong van) or (vuong tuan)) ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh dung ha hung ((luong van) or (vuong tuan)) ((than cau) OR (toan cau))*.