Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » hoc hien
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than man » than ma, thanh san, tran manh

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) OR (toc thieu)) xanh - hanh tranh cua trong cong tan than man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - hanh tranh cua trong cong tan than man*".