Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hien tinh » khien tinh, thien tinh, bien tinh
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
tuong anh » truong anh, tuong lanh, trong anh
luan phan » luan van, luan hoan
luan han » luan hoan, luan van, luan san

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 manh) OR (lanh manh)) va nhung tuong anh ((luan han) or (luan phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - ((canh manh) OR (lanh manh)) va nhung tuong anh ((luan han) OR (luan phan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - ((canh manh) OR (lanh manh)) va nhung tuong anh ((luan han) or (luan phan))".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - ((canh manh) OR (lanh manh)) va nhung tuong anh ((luan han) or (luan phan))*.