Perhaps you should try some spelling variations:
soc doanh » so doanh, voi doanh, von doanh
hoa doanh » toan doanh, hoa dan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu long » cuu cong, cuu tong, cuu nang
khoa hoc » hoa hoc
thai van » thi van, thanh van, thai vung
van tuan » van quan, van ban, anh tuan
tuan van » luan van, tran van, tan van
xa thai » ca thai, a thai, da thai
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 hoc tap, nghien cuu long ((soc doanh) or (hoa doanh)) khoa hoc xa thai van tuan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien cuu long ((soc doanh) OR (hoa doanh)) khoa hoc xa thai van tuan van.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu long ((soc doanh) or (hoa doanh)) khoa hoc xa thai van tuan van*.