Perhaps you should try some spelling variations:
chung thong » thong thong, hung thang, cong thong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
danh trung » dang trung, dinh trung, manh trung
thanh tung » thanh cong
cac chung » cac phuong, cac cong
thong van » trong van, thong va, thong quan
van tan » van tuan, van ban, van tai
tan cao » toan cao, tao cao, tay cao

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 - ((danh trung) or (thanh tung)) cac chung thong van tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((danh trung) OR (thanh tung)) cac chung thong van tan cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((danh trung) or (thanh tung)) cac chung thong van tan cao*.