Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh toan
thanh thang » nhanh thang, thanh thanh, thanh hang
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh toan, thanh tra, thanh tuan
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
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: theo chieu sach - ((((thanh trang) OR (thanh tran))) or (thanh thang)) tin dung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((((thanh trang) OR (thanh tran))) OR (thanh thang)) tin dung cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((((thanh trang) OR (thanh tran))) or (thanh thang)) tin dung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((((thanh trang) OR (thanh tran))) or (thanh thang)) tin dung cong tinh toan ban*.