Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc sach » hoc sinh, hoc cac, hoc anh
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan dam » thanh dam, chang dam, khanh nam
co sach » bo sach, cuon sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((co sach) OR (hoc sach)) - thanh ((truong cua) or (truong cao)) nhung cong tan khan dam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((co sach) OR (hoc sach)) - thanh ((truong cua) OR (truong cao)) nhung cong tan khan dam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((co sach) OR (hoc sach)) - thanh ((truong cua) or (truong cao)) nhung cong tan khan dam".
• Adding a wildcard symbol may retrieve word variants: hoi ((co sach) OR (hoc sach)) - thanh ((truong cua) or (truong cao)) nhung cong tan khan dam*.