Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh mang » nhanh lang, nhanh quang, nhanh thang
hanh mang » hanh trang, nhanh lang, thanh hang
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (chiet tach)) - ((hanh mang) OR (nhanh mang)) cua nhung tuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - ((hanh mang) OR (nhanh mang)) cua nhung tuong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) or (chiet tach)) - ((hanh mang) OR (nhanh mang)) cua nhung tuong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chiet tach)) - ((hanh mang) OR (nhanh mang)) cua nhung tuong dan toan cao*.