Perhaps you should try some spelling variations:
cuoc tuc » cuoi thuc, nuoc thuc, duoc tu
cua tre » cua te, cuu tre, cua triet
ca tinh » cua tinh, cac tinh, va tinh
xa tinh » va tinh, ha tinh, xa sinh
ve cuoc » va cuoc, ve duoc, ve nuoc
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
sai ky » sac ky
ha hoi » hoa hoi, ha noi, va hoi
va cua » va chua, via cua, ca cua
su sai » su tai, su hai, su dai

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