Perhaps you should try some spelling variations:
tinh trang » minh trang, tinh quang, tinh toan
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
bang cong » dang cong, bang song, hang cong
doc hieu » toc thieu, hoc thieu
toan cao » toan ban, toan tap
va bang » va nang, va lang, va ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (hoc hien)) xanh - ((tinh trang) or (canh tranh)) va bang cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - ((tinh trang) OR (canh tranh)) va bang cong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (hoc hien)) xanh - ((tinh trang) or (canh tranh)) va bang cong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (hoc hien)) xanh - ((tinh trang) or (canh tranh)) va bang cong thanh toan cao*.