Perhaps you should try some spelling variations:
hoc thanh » hoan thanh, hoc phan, ha thanh
hoc nhanh » hoc nganh, hoc phan
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cua nhan » ca nhan, cua ngan, cua nha
nhan van » nhan dan, nhan va, phan van
hoi cua » hoi chuc
ma hoi » mai hoi, xa hoi, ma hoa

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 mo ((hoc thanh) OR (hoc nhanh)) hoa hoc ma hoi cua nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien cuu mo ((hoc thanh) OR (hoc nhanh)) hoa hoc ma hoi cua nhan van".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu mo ((hoc thanh) OR (hoc nhanh)) hoa hoc ma hoi cua nhan van*.