Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
xa hanh » xa thanh, xa khanh, va hanh
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, thai cua
va nay » va ngay, va cay
nay tu » tay tu, may tu
tu xa » tu xay, tu va, te xa

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