Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
trung chap » trung cap, trung ha, tranh chap
theo chu » theo chieu, cho chu, chao chu
cong tac » cong ty
cong tan » cong thanh, cong ty, cong ha
chu van » cuu van, chu han
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu van - thanh trung chap thuong ((((cong san) OR (cong tac))) or (cong tan)) can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu van - thanh trung chap thuong ((((cong san) OR (cong tac))) OR (cong tan)) can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu van - thanh trung chap thuong ((((cong san) OR (cong tac))) or (cong tan)) can cau".
• Adding a wildcard symbol may retrieve word variants: theo chu van - thanh trung chap thuong ((((cong san) OR (cong tac))) or (cong tan)) can cau*.