Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tan » phuong tran, phuong tay, phuong lan
kieu tinh » lieu tinh, trieu tinh, diep tinh
han luan » hang luan, nhan luan, san luan
dan luan » doanh luan, dung luan, tang luan
tan van » tran van, tang van, luan van

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

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