Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
tieu tinh » trieu tinh, lieu tinh, kieu tinh
hanh tung » thanh tung, manh tung, hanh dung
cong bang » cuong bang, dong bang, hong bang
bang toan » bong toan, dang toan, bang thanh
anh tang » anh bang, anh dang, anh nang
van cong » van dong, van phong, phan cong
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 tinh) or (tieu trinh)) - ((hanh tung) or (anh tang)) luan van cong bang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu tinh) OR (tieu trinh)) - ((hanh tung) OR (anh tang)) luan van cong bang toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) or (tieu trinh)) - ((hanh tung) or (anh tang)) luan van cong bang toan ban*.