Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chiet tach » chieu sach
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
doi chiet » doi chieu, doi chi, doi viet
cua nhung » va nhung
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - nhanh tinh cua nhung ((cong tan) or (truong thanh)) ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - nhanh tinh cua nhung ((cong tan) OR (truong thanh)) ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - nhanh tinh cua nhung ((cong tan) or (truong thanh)) ((toan tap) or (toan ban))*.