Perhaps you should try some spelling variations:
cong vat » cong va, cang vat, cong hat
dong vat » dong va, dong von, dong ha
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
tinh vi » trinh vi, tinh voi, dinh vi
tinh va » tich va, trinh van, trinh vat
cua tu » cua tuc, cua su, cua cu

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. thien ((cong vat) OR (dong vat)) nuoc va ((tinh vi) or (tinh va)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. thien ((cong vat) OR (dong vat)) nuoc va ((tinh vi) OR (tinh va)) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. thien ((cong vat) OR (dong vat)) nuoc va ((tinh vi) or (tinh va)) cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. thien ((cong vat) OR (dong vat)) nuoc va ((tinh vi) or (tinh va)) cua tu*.