Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tinh tue » tinh thue, tinh tu, tinh tuyen
vu sach » vu bach, su sach, vu khach
tue cua » te cua
va tinh » may tinh
nang xa » nang x, lang xa, nang ma
vu khac » vu kham, vu khanh, bui khac
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
cam lo » nam lo, cam ly, cam o
lo va » lo van, lao va, ly va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((vu sach) or (vu khac))) or (thu sach)) ky nang xa hoi. lieu va cam lo va tinh tue cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((vu sach) OR (vu khac))) OR (thu sach)) ky nang xa hoi. lieu va cam lo va tinh tue cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((vu sach) or (vu khac))) or (thu sach)) ky nang xa hoi. lieu va cam lo va tinh tue cua tre*.