Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cang thang » cong thanh, dang thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang hang » nang hang, hung thang, lang thang
manh toan » thanh toan, anh tuan, tinh toan
va thong » va thuong, va phuong, he thong

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 - ((hang hang) OR (cang thang)) va thong cong ((manh toan) or (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hang hang) OR (cang thang)) va thong cong ((manh toan) OR (dan ca)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hang hang) OR (cang thang)) va thong cong ((manh toan) or (dan ca)) cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hang hang) OR (cang thang)) va thong cong ((manh toan) or (dan ca)) cau*.