Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien bach » vien bach, thien hach, hien hanh
bach luc » bach tuoc, bach hue, bach qua
va thanh » gia thanh, ban thanh, va tinh
thanh ha » thanh hoa, thanh hai, nhanh ha
ky lang » ky dang, ky tang, tay lang
cua tre » cuu tre, cua triet, dua tren
tu ban » thu ban, te ban
luc va » duc va, tuc va, loc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ((ky lang) OR (ky nang)) xa hoi. hieu hien bach luc va thanh ha ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ((ky lang) OR (ky nang)) xa hoi. hieu hien bach luc va thanh ha ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ban ((ky lang) OR (ky nang)) xa hoi. hieu hien bach luc va thanh ha ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu ban ((ky lang) OR (ky nang)) xa hoi. hieu hien bach luc va thanh ha ((cua tre) or (cua te))*.