Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
luong cua » huong cua, long cua, luong quan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap

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

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