Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
van tai » von tai, van tuan
van tri » van thi, van toi, van tru
xuc tan » duc tan, xuc tac, xuc ban
cua tuc » cua duc, cua tu, cua thuoc
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va cau » van cau, va cac, va cao
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang xa hoi. lieu ((va cau) OR (va dau)) xuc tan ((van tri) or (van tai)) cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu ((va cau) OR (va dau)) xuc tan ((van tri) OR (van tai)) cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. lieu ((va cau) OR (va dau)) xuc tan ((van tri) or (van tai)) cua tuc".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu ((va cau) OR (va dau)) xuc tan ((van tri) or (van tai)) cua tuc*.