Perhaps you should try some spelling variations:
thanh te » thanh ve, thanh de, thanh le
thu sai » thu tai, thu san, thu ai
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
su kham » su pham, vu kham, so kham
hieu su » hieu sau, tieu su, hieu so
cong ha » cong hoa, dong ha, cong tac
ky cong » ke cong, ly cong, khu cong
thu hai » thu ha, thu nhap, thu hang
cau tre » cau tren, cau treo, cau tra
te cau » ke cau, le cau, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sai) or (thu hai)) ky cong ha noi. hieu su kham ((xuc ban) OR (cuc ban)) thanh te cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sai) OR (thu hai)) ky cong ha noi. hieu su kham ((xuc ban) OR (cuc ban)) thanh te cau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sai) or (thu hai)) ky cong ha noi. hieu su kham ((xuc ban) OR (cuc ban)) thanh te cau tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sai) or (thu hai)) ky cong ha noi. hieu su kham ((xuc ban) OR (cuc ban)) thanh te cau tre*.