Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh dung » thanh dung, anh dung, hanh dong
luan phan » luan van, luan hoan
phan cong » thanh cong
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
toan ban » van ban
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - ((hanh dung) or (anh dang)) luan phan cong tac ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh dung) OR (anh dang)) luan phan cong tac ((toan tap) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((hanh dung) or (anh dang)) luan phan cong tac ((toan tap) OR (toan ban))*".