Perhaps you should try some spelling variations:
nhanh manh » nhanh mang, nhanh thanh, nhanh tinh
khuong anh » phuong anh, khuong tinh, hong anh
mot trieu » mot chieu, mot tri, mon triet
huong anh » phuong anh, hong anh, hung anh
xuan can » xuan cang, xuan tan, xuan chanh
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot trieu tinh - nhanh manh va nhung ((huong anh) OR (khuong anh)) ((luan van) or (xuan can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot trieu tinh - nhanh manh va nhung ((huong anh) OR (khuong anh)) ((luan van) OR (xuan can)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot trieu tinh - nhanh manh va nhung ((huong anh) OR (khuong anh)) ((luan van) or (xuan can))".
• Adding a wildcard symbol may retrieve word variants: mot trieu tinh - nhanh manh va nhung ((huong anh) OR (khuong anh)) ((luan van) or (xuan can))*.