Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thieu tinh » trieu tinh, thien tinh, lieu tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
phuong van » phung van, phong van, phuong lan
van luan » van quan, van tuan, von luan
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tinh) OR (chieu tinh)) - ((hanh tranh) or (canh tranh)) va nhung phuong van luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (chieu tinh)) - ((hanh tranh) OR (canh tranh)) va nhung phuong van luan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (chieu tinh)) - ((hanh tranh) or (canh tranh)) va nhung phuong van luan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (chieu tinh)) - ((hanh tranh) or (canh tranh)) va nhung phuong van luan ban*.