Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chinh cua » chinh sua, hinh cua, chinh luan
tuong dan » huong dan, tung dan, xuong dan
theo cuu » theo chu, khao cuu, thao cua
chinh ca » chinh ta, chinh va, chinh tai
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo cuu tinh - hanh ((chinh cua) or (chinh ca)) nhung tuong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cuu tinh - hanh ((chinh cua) OR (chinh ca)) nhung tuong dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo cuu tinh - hanh ((chinh cua) or (chinh ca)) nhung tuong dan than tap*.