Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoa nganh » hoc nganh, khoi nganh, hoa doanh
thu sach » tu sach, thuat sach, thuoc sach
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
nang hoc » nang doc, nang luc, dong hoc
gian dan » gian lang
hoi tap » hoc tap, hoi tai, hai tap
hoi dan » hoa dan, hoc dan, thoi dai
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: thu sach ((hoi tap) OR (hoi dap)), nghien cuu cong hoa nganh nang hoc xa hoi dan gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((hoi tap) OR (hoi dap)), nghien cuu cong hoa nganh nang hoc xa hoi dan gian dan".
• Adding a wildcard symbol may retrieve word variants: thu sach ((hoi tap) OR (hoi dap)), nghien cuu cong hoa nganh nang hoc xa hoi dan gian dan*.