Perhaps you should try some spelling variations:
nganh chong » nganh cong, nhanh chong, nganh khong
nuoc sach » nguoi sach, hoc sach, cuoc cach
hoc nganh » hoc nhanh
chong hoc » chung hoc, chong doc, thong hoc
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
cac nhan » ca nhan, cam nhan, dac nhan
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach hoc tap, nghien cuu cong hoc nganh chong hoc xa hoi ((cac nhan) OR (cac nha)) tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach hoc tap, nghien cuu cong hoc nganh chong hoc xa hoi ((cac nhan) OR (cac nha)) tai".
• Adding a wildcard symbol may retrieve word variants: nuoc sach hoc tap, nghien cuu cong hoc nganh chong hoc xa hoi ((cac nhan) OR (cac nha)) tai*.