Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
tranh vat » trinh vat, tranh va, tranh van
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
thanh cao » thanh ca, thanh cac, thanh thao
theo cap » theo phap, theo chu, theo ucp

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo cap) OR (pho cap)) sach - canh tranh vat ((hang cong) or (bang cong)) dang thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo cap) OR (pho cap)) sach - canh tranh vat ((hang cong) OR (bang cong)) dang thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo cap) OR (pho cap)) sach - canh tranh vat ((hang cong) or (bang cong)) dang thanh cao".
• Adding a wildcard symbol may retrieve word variants: ((theo cap) OR (pho cap)) sach - canh tranh vat ((hang cong) or (bang cong)) dang thanh cao*.