Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
luan hang » luan nang, luan hung, luan tang
tac dung » sach dung, xay dung, tin dung
luan han » luan hoan, luan phan, luan van

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 - thanh trung tac dung cong danh ((luan han) or (luan hang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh trung tac dung cong danh ((luan han) OR (luan hang))*.