Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
nhanh lang » nhanh quang, nhanh thang, nhan dang
thien hach » thien thanh, hien hanh
hien sach » dien sach, kien sach, chieu sach
hanh mang » nhanh mang, hanh trang, thanh hang
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 sach) OR (thien hach)) - ((hanh mang) or (nhanh lang)) cua nhung tuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (thien hach)) - ((hanh mang) OR (nhanh lang)) cua nhung tuong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) OR (thien hach)) - ((hanh mang) or (nhanh lang)) cua nhung tuong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) OR (thien hach)) - ((hanh mang) or (nhanh lang)) cua nhung tuong dan toan tap*.