Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
tang thanh » dang thanh, trung thanh, hoang thanh
hanh dung » thanh dung, anh dung, hanh dong
dong cong » duong cong, dung cong, dang cong
cong tang » cong thang, cong tan, cong lang
thanh lap » thanh san, phan lap, thanh hai
dung cao » duong cao, dung cho, dung co
cao dong » cao dang, lao dong, cao cong

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))) or (trieu tinh)) - hanh dung cao dong cong tang thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chinh sach))) OR (trieu tinh)) - hanh dung cao dong cong tang thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu sach) OR (chinh sach))) or (trieu tinh)) - hanh dung cao dong cong tang thanh lap".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sach) OR (chinh sach))) or (trieu tinh)) - hanh dung cao dong cong tang thanh lap*.