Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
nhan dang » nhan dan, phan dang, tran dang
trong ban » trong san, trong tan, trong quan
theo cua » thao cua, tho cua, cheo cua
cua tinh » cua sinh, va tinh, ha tinh
ban than » ban thanh, van thanh, ban hang
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 cua tinh - ((nhanh lang) or (nhan dang)) ung dung trong ban than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cua tinh - ((nhanh lang) OR (nhan dang)) ung dung trong ban than tap*.