Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach sinh » sach kinh, sach danh, sach song
thuc anh » thuc hanh, thuy anh, thu anh
hoa thai » hong thai, hoa phan, hoa chat
thai man » thai van, thai ran, thai san
may minh » mai minh, van minh, cao minh
te sach » toc sach
anh hoa » anh khoa, danh hoa, hanh hoa
tinh » trinh, dinh, kinh

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