Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu
hoc thong » hoc thuong, hoc trong, hoc hong
tan chinh » tai chinh, lan chinh, van chinh
chinh can » chinh ca, chinh ban, chinh cau
tung hoc » trung hoc, tuong hoc, dung hoc
cong tan » cong tac, cong san, cong thanh

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