Perhaps you should try some spelling variations:
dong chuyen » bong chuyen, khong chuyen, dong truyen
tuyen dong » tuyen duong, truyen dong, tuyen dung
kien thuy » kien thuc, vien thuy, kien truc
khoa than » khoa luan, hoa thai, hoa tan
than cung » phan cung, thay cung, tham cung
thuy anh » thuy linh
anh khoa » doanh khoa, hang khoa
cung hay » cong hay, cung may, chung han
tu tac » tu trac, tu tai, tu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu tac tuyen dong chuyen đe ky thuat: kien thuy anh khoa than cung hay (tinh* or trinh*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu tac tuyen dong chuyen đe ky thuat: kien thuy anh khoa than cung hay (tinh* OR trinh*).
• Adding a wildcard symbol may retrieve word variants: tu tac tuyen dong chuyen đe ky thuat: kien thuy anh khoa than cung hay (tinh* or trinh*)*.