Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nganh khong » nganh cong, nhanh chong, nganh nong
cach thuc » anh thuc, cac thu
goc nganh » hoc nganh, hoc nhanh, cac nganh
cach hoc » cach thoi, dich hoc, cac hop
thuoc xa » thuoc ma, thuoc va, thuoc la
huu mot » cuu mot, huy mot, hieu mot
hoi van » hoi va, hoi dan, hai van
van von » vay von, van van, van dong

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) OR (cach thuc)) tap, nhiem huu mot goc nganh khong thuoc xa hoi van von tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cach hoc) OR (cach thuc)) tap, nhiem huu mot goc nganh khong thuoc xa hoi van von tai".
• Adding a wildcard symbol may retrieve word variants: tu ((cach hoc) OR (cach thuc)) tap, nhiem huu mot goc nganh khong thuoc xa hoi van von tai*.