Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
pho chong » pho thong, pho cong, phong chong
chong hoc » chung hoc, chong doc, thong hoc
thai tren » thai tran, thi tren, thai trang
nhan dan » phan dau, gian dan, nhan tai
san hoi » san choi, dan hoi, van hoi
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
xa thai » ca thai, a thai, da thai
nhan va » nhan tai, nhan tao, phan van
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: thuat san hoi dap, nghien cuu mon hoc pho chong hoc xa thai tren ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san hoi dap, nghien cuu mon hoc pho chong hoc xa thai tren ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: thuat san hoi dap, nghien cuu mon hoc pho chong hoc xa thai tren ((nhan va) or (nhan dan))*.