Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hang tai » hang va, dung tai
xuc cam » phuc cam
tai cua » thai cua, tai cuc, tri cua
te sach » toc sach
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
xuc ca » xuc cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (hoc sach)) ky nang xa hoi. lieu va cham ((xuc ca) OR (xuc cam)) hang tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) ky nang xa hoi. lieu va cham ((xuc ca) OR (xuc cam)) hang tai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (hoc sach)) ky nang xa hoi. lieu va cham ((xuc ca) OR (xuc cam)) hang tai cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) ky nang xa hoi. lieu va cham ((xuc ca) OR (xuc cam)) hang tai cua te*.