Perhaps you should try some spelling variations:
soc doanh » hoa doanh, voi doanh, von doanh
van thanh » ban thanh, van tuan
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cuu long » cuu cong, cuu tong, cuu nang
so doanh » so danh, su doanh, hoa doanh
khoa hoc » hoa hoc
thai van » thi van, thanh van, thai vung
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 mach hoc tap, nghien cuu long ((soc doanh) OR (so doanh)) khoa hoc xa thai van thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien cuu long ((soc doanh) OR (so doanh)) khoa hoc xa thai van thanh san".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu long ((soc doanh) OR (so doanh)) khoa hoc xa thai van thanh san*.