Perhaps you should try some spelling variations:
trinh thong » trinh thuong, trinh trong, trinh tong
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, thanh san, tinh toan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thanh tra » thanh hoa
thanh mau » hanh mau, thanh san, thanh hai
nhanh cau » nhanh cay, thanh chau, nhanh ha
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((thanh tra) OR (thanh toan)) trinh thong cong san ((thanh mau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh tra) OR (thanh toan)) trinh thong cong san ((thanh mau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh tra) OR (thanh toan)) trinh thong cong san ((thanh mau) or (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tra) OR (thanh toan)) trinh thong cong san ((thanh mau) or (nhanh cau))*.