Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
phan cung » phan cong, phan ung, phan xuong
kinh hoc » sinh hoc, hinh hoc, tinh hoc
cung hay » cong hay, cung may, chung han
hay minh » ha minh, huy minh, pham minh
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach kinh hoc chuyen đe ky thuat: kien ((truc bach) or (thuc cach)) co phan cung hay minh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach kinh hoc chuyen đe ky thuat: kien ((truc bach) OR (thuc cach)) co phan cung hay minh.
• Adding a wildcard symbol may retrieve word variants: te sach kinh hoc chuyen đe ky thuat: kien ((truc bach) or (thuc cach)) co phan cung hay minh*.