Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh mang » hanh mang, nhanh quang, nhanh thang
nhanh lang » nhanh quang, nhanh thang, nhan dang
hang cong » dang cong, hang nong, bang cong
tac thanh » bac thanh, cac thanh, tcc thanh
thanh mau » hanh mau, thanh san, thanh hai
cong tac » cong ty
va hang » van hang, va nang, va lang

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 - ((nhanh mang) OR (nhanh lang)) va hang cong tac thanh mau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((nhanh mang) OR (nhanh lang)) va hang cong tac thanh mau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh mang) OR (nhanh lang)) va hang cong tac thanh mau*.