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
hoc thieu » toc thieu, hoc hien
tran hong » tran hoang, tran trong, tranh hang
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong san » cong tac

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 ((cua hang) OR (cua dang)) cong san ((tran hong) or (trinh quan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) cong san ((tran hong) OR (trinh quan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) cong san ((tran hong) or (trinh quan))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) cong san ((tran hong) or (trinh quan))*.