Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
qua trong » quan trong, qua trinh, qua song
tung qua » dung qua, tuong quan, trung quan
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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 tung qua trong ((cong tan) or (cong san)) ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung qua trong ((cong tan) OR (cong san)) ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung qua trong ((cong tan) or (cong san)) ((than cau) or (phan cac))*.