Perhaps you should try some spelling variations:
sinh hoat » sinh hoc, sinh vat
pho thong » he thong
phu thong » phap thong, khau thong, phan thong
cach bai » cac bai, sach bai, cach bao
hoat pho » hoat ho, hoc pho, hoa phi
sach sat » sach dat, sach san, sach phat
sat thuc » am thuc, va thuc, dan thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa phu » khoa phau, khoa thu, hoa phu
tu cach » tu cac
bai hoc » dai hoc
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach bai hoc sinh hoat pho thong ) or ( su sach sat thuc anh khoa phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach bai hoc sinh hoat pho thong ) OR ( su sach sat thuc anh khoa phu thong ))*.