Perhaps you should try some spelling variations:
thanh trung » thanh tung
tam thong » tam thuong, tao thong, nam thong
thanh lap » thanh san, phan lap, thanh hai
hoc lien » hoc hien, hoc vien, uoc lien
hoc tien » hoc tieng, hoc hien, hoc vien
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc lien) or (hoc tien)) quan - thanh trung tam thong ((cong tan) OR (cong san)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc lien) OR (hoc tien)) quan - thanh trung tam thong ((cong tan) OR (cong san)) thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc lien) or (hoc tien)) quan - thanh trung tam thong ((cong tan) OR (cong san)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: ((hoc lien) or (hoc tien)) quan - thanh trung tam thong ((cong tan) OR (cong san)) thanh lap*.