Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thieu xanh » chieu xanh, hieu manh, thien anh
chinh cua » chinh sua, hinh cua, chinh luan
chinh ca » chinh ta, chinh va, chinh tai
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh ((chinh cua) or (chinh ca)) thong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh ((chinh cua) OR (chinh ca)) thong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh ((chinh cua) or (chinh ca)) thong cong tac than cau*.