Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
chi xanh » chi anh, chi danh, chi hanh
trang va » hang va
tran van » luan van
toan cao » toan ban, toan tap
doi chi » doi khi

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 xanh - hanh ((trang va) OR (tran van)) nhung cong danh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((trang va) OR (tran van)) nhung cong danh toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((trang va) OR (tran van)) nhung cong danh toan cao*.