Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
hoc chuyen » khong chuyen
thuat lanh » thuat lap, thuat san
sach tren » sach tien, sach tranh
thai cung » thai cong, thai vung, thay cung
tren hoc » truyen hoc, trung hoc, triet hoc
hoa thai » hong thai, hoa phan, hoa chat
cung may » dung may, cong may, cung hay
te sach » toc sach
tinh » trinh, dinh, minh

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 tren hoc chuyen đe ky thuat: kien ((thuat thanh) or (thuat lanh)) hoa thai cung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tren hoc chuyen đe ky thuat: kien ((thuat thanh) OR (thuat lanh)) hoa thai cung may tinh.
• Adding a wildcard symbol may retrieve word variants: te sach tren hoc chuyen đe ky thuat: kien ((thuat thanh) or (thuat lanh)) hoa thai cung may tinh*.