Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
thi hien » thi lien, thi huyen, thi hue
tan tan » tan tran, tran tan, tang tan
tan ca » tan cua, tang ca, dan ca

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) or (thi hien)) xanh - canh tranh cua ((nhung cong) or (thong cong)) tan tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi hien)) xanh - canh tranh cua ((nhung cong) OR (thong cong)) tan tan ca.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi hien)) xanh - canh tranh cua ((nhung cong) or (thong cong)) tan tan ca*.