Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
chai duc » pham duc, phan duc, cao duc
thanh va » hanh va, thanh ha, thanh ve
nang xa » nang x, lang xa, nang ma
va chai » va cai, va chat, va cham
cuu tre » cua tre, cau tren, cau treo
vu sac » vu sach, va sac, vu cac
vu san » va san, vu ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sac) or (vu san)) ky nang xa hoi. lieu va chai duc va ((thanh va) OR (thanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (vu san)) ky nang xa hoi. lieu va chai duc va ((thanh va) OR (thanh van)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sac) or (vu san)) ky nang xa hoi. lieu va chai duc va ((thanh va) OR (thanh van)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sac) or (vu san)) ky nang xa hoi. lieu va chai duc va ((thanh va) OR (thanh van)) cuu tre*.