Perhaps you should try some spelling variations:
hung phuong » nhung phuong, dung phuong, hong phuong
phuong dan » phuong danh, phuong doan, huong dan
hien tinh » khien tinh, thien tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
tran van » luan van
van hung » van dung, manh hung, van duong
phan dau » phan tu
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - canh tran van hung phuong dan ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - canh tran van hung phuong dan ((phan dau) OR (hang dau)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - canh tran van hung phuong dan ((phan dau) or (hang dau))*.