Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, nhan sinh
hanh trinh » canh tranh, hanh chinh
cua nhung » va nhung
khung anh » khuong anh, phuong anh, nhung manh
hung anh » hung manh, hong anh, phuong anh
luan san » luan van, luan hoan, luan phan
ho diep » hong diep, cho dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho diep tinh - ((nhanh tinh) OR (hanh trinh)) cua nhung ((hung anh) or (khung anh)) luan san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho diep tinh - ((nhanh tinh) OR (hanh trinh)) cua nhung ((hung anh) OR (khung anh)) luan san.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho diep tinh - ((nhanh tinh) OR (hanh trinh)) cua nhung ((hung anh) or (khung anh)) luan san".
• Adding a wildcard symbol may retrieve word variants: ho diep tinh - ((nhanh tinh) OR (hanh trinh)) cua nhung ((hung anh) or (khung anh)) luan san*.