Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
trang va » tran van, hang va
tang va » tang van, thang va, tang vat
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((tang va) or (trang va)) ((nhung cong) or (thong cong)) tan ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang va) OR (trang va)) ((nhung cong) OR (thong cong)) tan ran cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang va) or (trang va)) ((nhung cong) or (thong cong)) tan ran cau*.