Perhaps you should try some spelling variations:
phan thanh » pham thanh, ban thanh, van thanh
hoc thieu » hoc hien
cach dang » cach mang, cac dang, cach dung
dung cong » dung trong
cong phan » cong nhan, cong khan, chong phap
dang van » hoang van, hang va
van dung » van dong, xay dung, tin dung

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)) manh - cach dang van dung cong phan thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) manh - cach dang van dung cong phan thanh san.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) manh - cach dang van dung cong phan thanh san*.