Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
tinh di » tinh doi, trinh di, tinh da
va chat » van chat, va phat, cao chat
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va
di cua » dai cua, doi cua, de cua

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 (thuoc sach)) ky nang xa hoi. lieu va chat ((soc va) OR (loc va)) tinh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuoc sach)) ky nang xa hoi. lieu va chat ((soc va) OR (loc va)) tinh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuoc sach)) ky nang xa hoi. lieu va chat ((soc va) OR (loc va)) tinh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuoc sach)) ky nang xa hoi. lieu va chat ((soc va) OR (loc va)) tinh di cua tre*.