Perhaps you should try some spelling variations:
khia canh » kho canh, thi canh
tranh han » tranh hang, trinh han, tranh ban
hung cong » nhung cong, hung cuong, phung cong
doi khia » doi khi, noi khoa, hoi khoa
han hung » phan hung, van hung, han ung
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
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: doi khia canh - canh tranh han hung cong tan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khia canh - canh tranh han hung cong tan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi khia canh - canh tranh han hung cong tan ((toan cao) OR (toan ban))*.