Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, phong chong
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
toan cao » toan ban, toan tap

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 xanh - thanh trung cap ((thong cong) or (thong thong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cap ((thong cong) OR (thong thong)) thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cap ((thong cong) or (thong thong)) thanh toan cao*.