Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
tinh cua » trinh cua, sinh cua, tranh cua
toan cau » toan cao, toan ban, toan tap

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 (doi khi)) xanh - hanh ((tinh cua) or (tinh chat)) nhung cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (doi khi)) xanh - hanh ((tinh cua) OR (tinh chat)) nhung cong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (doi khi)) xanh - hanh ((tinh cua) or (tinh chat)) nhung cong thanh toan cau*.