Perhaps you should try some spelling variations:
kien thuoc » kien thuc, bien thuoc, trien thuoc
hoc chuyen » khong chuyen
thuan cong » thuat cong, thuan phong, thuan trong
sanh tren » sach tren, lanh tren, sinh tren
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
than cong » thanh cong, phan cong, thai cong
tren hoc » truyen hoc, trung hoc, triet hoc
anh khoa » doanh khoa, hang khoa
so sanh » do sanh
ha dinh » ha tinh, va dinh, ba dinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh tren hoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thuan cong)) ha dinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh tren hoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thuan cong)) ha dinh".
• Adding a wildcard symbol may retrieve word variants: so sanh tren hoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thuan cong)) ha dinh*.