Perhaps you should try some spelling variations:
nganh khong » nhanh chong, nganh nong, nganh khoa
nganh cong » nhanh chong, thanh cong
thuoc xa » thuoc ma, thuoc va, thuoc la
cac hoc » cach hoc, cac hop, bac hoc
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 cac hoc tap, nhiem huu mot goc ((nganh khong) OR (nganh cong)) thuoc xa hoi van von tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac hoc tap, nhiem huu mot goc ((nganh khong) OR (nganh cong)) thuoc xa hoi van von tai".
• Adding a wildcard symbol may retrieve word variants: tu cac hoc tap, nhiem huu mot goc ((nganh khong) OR (nganh cong)) thuoc xa hoi van von tai*.