Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
kien truc » kien thuc
khoa phan » khoa than, khoa phau, khoan phai
tren hoc » truyen hoc, trung hoc, triet hoc
hoa phan » hoa dan, co phan
vu sach » vu bach, su sach, vu khach
cong ma » cuong ma, cong ha, cong va
ma tinh » may tinh, man tinh, mai tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach tren hoc chuyen đe ky thuat: kien truc bach ((khoa phan) or (hoa phan)) cong ma tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tren hoc chuyen đe ky thuat: kien truc bach ((khoa phan) OR (hoa phan)) cong ma tinh.
• Adding a wildcard symbol may retrieve word variants: vu sach tren hoc chuyen đe ky thuat: kien truc bach ((khoa phan) or (hoa phan)) cong ma tinh*.