Perhaps you should try some spelling variations:
phong tuong » phong trong, thong thuong, thong thong
tuong manh » duong manh, luong manh, tung manh
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh luan » khanh luan, hang luan, hanh luat
van phong » van dong, hai phong
toan cau » toan cao, toan ban, toan tap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((ha tinh) or (lieu tinh)) - hanh luan van phong tuong manh ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((ha tinh) OR (lieu tinh)) - hanh luan van phong tuong manh ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((ha tinh) or (lieu tinh)) - hanh luan van phong tuong manh ((toan cau) or (van ban))*.