Perhaps you should try some spelling variations:
tuan khai » than khai, quang khai, tuong khai
tuan thai » xuan thai, tuan tai, than thoai
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
thu san » thuy san, thu ban, phu san
nang o » nang co, nang ho, nang ro
tu sac » tu sach, tu cac, tu san
o lai » o lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (thu san)) ky nang o lai. hieu van cam xuc van ((tuan thai) OR (tuan khai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (thu san)) ky nang o lai. hieu van cam xuc van ((tuan thai) OR (tuan khai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (thu san)) ky nang o lai. hieu van cam xuc van ((tuan thai) OR (tuan khai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (thu san)) ky nang o lai. hieu van cam xuc van ((tuan thai) OR (tuan khai)) cua tre*.