Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
thong cong » trong cong, tong cong, thong thong
trung vap » trung cap, trung va, trung van
vap thong » va thong, van thong, phap thong
cong anh » cong danh, dong anh, hong anh
anh toan » manh toan, anh tuan, thanh toan
toan cao » toan ban, toan tap

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 (chiet tach)) - thanh trung vap thong cong anh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - thanh trung vap thong cong anh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - thanh trung vap thong cong anh toan cao*.