Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
truong va » truong dai, truong cao, truong dao
va thong » va thuong, va phuong, he thong
cong van » cong vang, cong san, song van
tan tap » toan tap, han tap, man tap
tan tat » ban tat, toan tap, toan tai

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 truong va thong cong van ((tan tap) OR (tan tat))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh truong va thong cong van ((tan tap) OR (tan tat))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh truong va thong cong van ((tan tap) OR (tan tat))*.