Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
cac giai » tac gia, cuu giai, hoc giai
tinh le » thinh le, trinh le, dinh le
va tinh » may tinh
cac lao » ca lao, cac loai, cac giao
tu sach » thu sach, su sach, tu cach
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
le cua » ly cua

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) or (te sach)) ly nang xa hoi. hieu hien ((cac lao) or (cac giai)) va tinh le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ly nang xa hoi. hieu hien ((cac lao) OR (cac giai)) va tinh le cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ly nang xa hoi. hieu hien ((cac lao) or (cac giai)) va tinh le cua tre*.