Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
nhung huong » nhung phuong, nhung tuong, nhung cong
thieu sach » chieu sach, thien hach, hieu cach
truong cua » truong ca, truong quan, truong cao
cua nhung » va nhung
dan toan » van toan, dan than, manh toan
toan tap » toan ban
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) or (hieu va)) - manh truong cua nhung huong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (hieu va)) - manh truong cua nhung huong dan toan tap*.