Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
kinh ve » kinh te, dinh ve, minh ve
va kinh » va tinh, qua kinh
cac dai » cac dan, cac bai, can dai
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
ve cua » le cua, de cua, te 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 dai)) va kinh ve 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 dai)) va kinh ve 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 dai)) va kinh ve cua tre*.