Perhaps you should try some spelling variations:
van hang » van khang, van hoang, van thang
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hai cua » dai cua, hoi cua, lai cua
cac vo » cac co, cac vi, cac bo

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 ky nang xa hoi. hieu va cac vo van hang ((hai cua) OR (thai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu va cac vo van hang ((hai cua) OR (thai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu va cac vo van hang ((hai cua) OR (thai cua)) tre*.