Perhaps you should try some spelling variations:
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
tran duy » tran duc, tran thuy, tran dung
tran quy » tran quoc, tran thuy, trien quy
cong tac » cong ty
quan cau » quang cao, toan cau, quan ha

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 tinh - thanh ((tran duy) or (tran quy)) dung cong tac quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - thanh ((tran duy) OR (tran quy)) dung cong tac quan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - thanh ((tran duy) or (tran quy)) dung cong tac quan cau*.