Perhaps you should try some spelling variations:
duoc tuc » duoc tu, duoc muc, duoc duoc
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
ve duoc » te duoc, ve nuoc, che duoc
tinh va » trinh van, trinh vat, tinh gia
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
tuc ca » tuc cac, tuc cua, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ((ky lang) or (ky nang)) xa hoi. hieu ve duoc tuc ca ((tinh va) OR (tich va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ((ky lang) OR (ky nang)) xa hoi. hieu ve duoc tuc ca ((tinh va) OR (tich va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ((ky lang) or (ky nang)) xa hoi. hieu ve duoc tuc ca ((tinh va) OR (tich va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sai ((ky lang) or (ky nang)) xa hoi. hieu ve duoc tuc ca ((tinh va) OR (tich va)) cua tre*.