Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
ho thien » nho thien, ho thiet, ho tien
tran van » luan van
van dung » van dong, xay dung, tin dung
dam phan » d phan, va phan
van phan » van phong, van thanh, luan phan
dan phan » doan phan, dan chan, dan than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho thien hach - canh tran van dung cong ((((dam phan) OR (van phan))) or (dan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thien hach - canh tran van dung cong ((((dam phan) OR (van phan))) OR (dan phan)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thien hach - canh tran van dung cong ((((dam phan) OR (van phan))) or (dan phan)) cau*".