Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan trong » gian trong
hoc thieu » toc thieu, hoc hien
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong thanh, cong khanh
cong dan » cong san, cong tan, huong dan
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: hoc thieu xanh - hanh trinh quan trong ((cong manh) or (((cong danh) OR (cong dan)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh quan trong ((cong manh) OR (((cong danh) OR (cong dan)))) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh quan trong ((cong manh) or (((cong danh) OR (cong dan)))) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh quan trong ((cong manh) or (((cong danh) OR (cong dan)))) toan ban*.