Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
long thuoc » luong thuoc, dong thuoc, khong thuoc
nganh cong » thanh cong
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
thuoc xa » thuoc ma, thuoc va, thuoc la
phap vat » phap luat, phap phat, phap viet
tu cach » tu cac
hoi ban » hoi dan, hoi bai, doi ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu long thuoc ((nganh cong) or (nhanh chong)) thuoc xa hoi ban phap vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu long thuoc ((nganh cong) OR (nhanh chong)) thuoc xa hoi ban phap vat.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu long thuoc ((nganh cong) or (nhanh chong)) thuoc xa hoi ban phap vat*.