Perhaps you should try some spelling variations:
thanh tram » thanh tra, thanh tam, thanh tran
hoc thieu » toc thieu
hanh tram » hanh tam, hanh trang, thanh tran
van trong » van truong, vang trong, ban trong
cong van » cong vang, cong san, song van
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 (hoc hien)) xanh - ((hanh tram) or (thanh tram)) van trong cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - ((hanh tram) OR (thanh tram)) van trong cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - ((hanh tram) or (thanh tram)) van trong cong van toan cao*.