Perhaps you should try some spelling variations:
thien thanh » thi thanh, hien hanh, chien tranh
tien thanh » tien thinh, tran thanh, den thanh
manh trung » manh tung, thanh trung, manh hung
lang trong » dung trong, cong trong, dong trong
trong luan » truong luan, tong luan, trong quan
luan phan » luan van, luan hoan
tam lang » tham lang, tai lang, nam lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) or (tien thanh)) - manh trung tam lang trong luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (tien thanh)) - manh trung tam lang trong luan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (tien thanh)) - manh trung tam lang trong luan phan tu*.