Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » hoc hien
nhung don » nhung van, nhung bo
dung cong » dung trong
trinh va » trinh van, trinh vat, trinh ve
van toan » van tuan, van tan, van thanh
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: ((hoc thieu) or (toc thieu)) xanh - hanh trinh va ((nhung don) or (dung cong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - hanh trinh va ((nhung don) OR (dung cong)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - hanh trinh va ((nhung don) or (dung cong)) van toan cao*.