Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tinh » phuong trinh, phuong binh, khuong tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
khanh luan » khanh thuan, doanh luan, hang luan
van nhung » van nhuong, va nhung, van hung
toan tap » toan ban
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: theo ((chieu tinh) OR (ha tinh)) - khanh luan van nhung phuong tinh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (ha tinh)) - khanh luan van nhung phuong tinh toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (ha tinh)) - khanh luan van nhung phuong tinh toan tap*.