Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung hap » trung cap, trung hai, trung lap
dung cong » dung trong
trung ha » trung hoc, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 hap) or (trung ha)) dung cong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh ((trung hap) OR (trung ha)) dung cong tan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh ((trung hap) or (trung ha)) dung cong tan ((toan cau) or (toan ban))*.