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
dung cong » dung trong
tung qua » dung qua, tuong quan, trung quan
qua dung » quang dung, su dung, qua song
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh lap, thanh cac
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 tung qua dung cong ban ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung qua dung cong ban ((than cap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung qua dung cong ban ((than cap) or (toan cao))*.