Perhaps you should try some spelling variations:
nhung phuong » dung phuong, truong phuong, bang phuong
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhu phuong » thu phuong, thi phuong, thu huong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
toan cao » toan tap
toan ban » van ban

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

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