Perhaps you should try some spelling variations:
van thanh » ban thanh
hieu sau » hieu su, hieu suat, tieu su
sau kham » thau kham, vu kham, cau khau
kham xuc » kham xung, kham cuoc, cam xuc
van tuan » van quan, van ban, anh tuan
sang cua » mang cua, song cua, hang cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
tu bac » tu ban, tu bat, tu bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu cac)) ky lang xa hoi. hieu sau kham xuc ((van thanh) OR (van tuan)) sang cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu cac)) ky lang xa hoi. hieu sau kham xuc ((van thanh) OR (van tuan)) sang cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bac) or (tu cac)) ky lang xa hoi. hieu sau kham xuc ((van thanh) OR (van tuan)) sang cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu cac)) ky lang xa hoi. hieu sau kham xuc ((van thanh) OR (van tuan)) sang cua tre*.