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
ca tinh » cua tinh, cac tinh, va tinh
tinh va » tich va, trinh van, trinh vat
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
tuc ca » tuc cac, tuc cua, tuc xa
va cua » va chua, via cua, ca cua

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 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 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 cua tre*.