Perhaps you should try some spelling variations:
trinh hang » trinh han, tranh hang, trinh hanh
sieu viet » su viet, dien viet, bien viet
nhin viet » nhan viet, nghia viet, chinh viet
va trinh » van trinh, va tinh, lap trinh
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. ((sieu viet) or (nhin viet)) cac xuc va trinh hang ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((sieu viet) OR (nhin viet)) cac xuc va trinh hang ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. ((sieu viet) or (nhin viet)) cac xuc va trinh hang ((cua tre) OR (cuu tre))*".