Perhaps you should try some spelling variations:
quoc chuyen » buoc chuyen, duoc chuyen, thuoc chuyen
sach trung » mach trung, sach thuong, sach dung
kien thuoc » kien thuc, bien thuoc, trien thuoc
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
than cong » thuan cong, phan cong, thai cong
anh khoa » doanh khoa, hang khoa
te sach » toc sach
va tinh » may tinh

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 trung quoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thanh cong)) va tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach trung quoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thanh cong)) va tinh".
• Adding a wildcard symbol may retrieve word variants: te sach trung quoc chuyen đe ky thuat: kien thuoc anh khoa ((than cong) OR (thanh cong)) va tinh*.