Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
tinh tang » tinh trang, tinh lang, tinh nang
tinh sang » tinh quang, tinh trang, trinh san
tinh bang » tinh lang, tinh quang, tinh trang
dung manh » duong manh, dung danh, hung manh
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu trinh - ((((tinh tang) OR (tinh sang))) or (tinh bang)) luan van dung manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu trinh - ((((tinh tang) OR (tinh sang))) OR (tinh bang)) luan van dung manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu trinh - ((((tinh tang) OR (tinh sang))) or (tinh bang)) luan van dung manh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu trinh - ((((tinh tang) OR (tinh sang))) or (tinh bang)) luan van dung manh toan ban*.