Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 - hanh truong cua ((nhung cong) or (thong cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh truong cua ((nhung cong) OR (thong cong)) dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh truong cua ((nhung cong) or (thong cong)) dan than cao*.