Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
chon cac » cho cac, thong cac, hoc cac
nhan dan » phan dau, gian dan, nhan tai
san hoc » van hoc, dan hoc, san ho
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc van » hoc dan, hoc va, hoc vat
hoa » khoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san hoc tap, nghien cuu mon hoc van hoa hoc ma ((chon cac) or (hoc cao)) nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san hoc tap, nghien cuu mon hoc van hoa hoc ma ((chon cac) OR (hoc cao)) nhan dan.
• Adding a wildcard symbol may retrieve word variants: thuat san hoc tap, nghien cuu mon hoc van hoa hoc ma ((chon cac) or (hoc cao)) nhan dan*.