Perhaps you should try some spelling variations:
tinh lai » tinh lao, tinh hai, minh lai
phuc may » hoc may, chua may, truc may
cac phuc » cau phuc, khac phuc, cach thuc
su sach » so sach
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
vu sach » vu bach, vu khach
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) ty nang xa hoi. hieu ve cac phuc may tinh lai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty nang xa hoi. hieu ve cac phuc may tinh lai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ty nang xa hoi. hieu ve cac phuc may tinh lai ((cua tre) or (cuu tre))*.