Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
hieu van » hieu va, thien van, lieu va
hanh tai » thanh tai, hang tai, hinh tai
nang xa » nang x, lang xa, nang ma
cau luc » cau truc, cau phuc
han tai » hang tai, nhan tai, van tai
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang xa hoi. hieu van ((cau luc) or (cam xuc)) va ((hanh tai) OR (han tai)) chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang xa hoi. hieu van ((cau luc) OR (cam xuc)) va ((hanh tai) OR (han tai)) chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang xa hoi. hieu van ((cau luc) or (cam xuc)) va ((hanh tai) OR (han tai)) chau tre".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang xa hoi. hieu van ((cau luc) or (cam xuc)) va ((hanh tai) OR (han tai)) chau tre*.