Perhaps you should try some spelling variations:
sinh qua » sinh quan, sinh cua, tinh quan
chat xuc » chat huu, chao xu, chat cua
tu sach » thu sach, su sach, te sach
qua cua » quan cua, quang cua, qua quan
va sinh » va kinh, va tinh, vi sinh
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet

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 ty ((nang xa) or (nang ma)) hoi. hieu ve ((chat xuc) or (cam xuc)) va sinh qua cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (nang ma)) hoi. hieu ve ((chat xuc) OR (cam xuc)) va sinh qua cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (nang ma)) hoi. hieu ve ((chat xuc) or (cam xuc)) va sinh qua cua tre*.