Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
trung qua » trung quan, trong qua, trung cua
qua trong » quan trong, qua trinh, qua song
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
khan ap » khan cap, han ap, khan dam

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 - hanh trung qua trong cong san ((than cap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trung qua trong cong san ((than cap) OR (khan ap))*.