Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hinh trong » chinh trong, dinh trong, sinh trong
trong luan » truong luan, tong luan, trong quan
luan hoan » luan van
cong tac » cong ty
toan tap » toan 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 chieu tinh - hinh trong luan hoan ((cong san) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hinh trong luan hoan ((cong san) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hinh trong luan hoan ((cong san) or (cong tac)) toan tap*.