Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung va » truong va, trang va, trung ha
toan cao » toan ban, toan tap
luan » quan, lan

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 ((trung va) or (((tran van) OR (luan van)))) thong cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung va) OR (((tran van) OR (luan van)))) thong cong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung va) or (((tran van) OR (luan van)))) thong cong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung va) or (((tran van) OR (luan van)))) thong cong thanh toan cao*.