Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
danh lai » danh sai, gianh lai, dinh lam
chau tre » chau tho, cho tre, cau tra
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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 ky nang xa hoi. lieu va cam ((xuc va) OR (tuc va)) danh lai ((chau tre) or (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. lieu va cam ((xuc va) OR (tuc va)) danh lai ((chau tre) OR (chay tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. lieu va cam ((xuc va) OR (tuc va)) danh lai ((chau tre) or (chay tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. lieu va cam ((xuc va) OR (tuc va)) danh lai ((chau tre) or (chay tren))*.