Perhaps you should try some spelling variations:
nang soan » nang song, nang suat, nang quan
thu tich » chu tich, chu thich, thue tinh
tich hoc » tinh hoc, dich hoc, tich hop
hoc phan » hoc dan, hoc pho
phan hoa » phan loai, phan phoi, phan hong
thai van » thi van, thanh van, thai vung
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
xa thai » ca thai, a thai, da thai
ban can » ban dan, ban hang, ban hanh
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 tich hoc tap, nghien cuu mon hoc phan hoa hoc xa thai van ((ban can) or (nang soan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu tich hoc tap, nghien cuu mon hoc phan hoa hoc xa thai van ((ban can) OR (nang soan)).
• Adding a wildcard symbol may retrieve word variants: thu tich hoc tap, nghien cuu mon hoc phan hoa hoc xa thai van ((ban can) or (nang soan))*.