Perhaps you should try some spelling variations:
cuoi thuc » choi thuc, cuu thuc, co thuc
cuoc tuc » nuoc thuc, duoc tu, cua tuc
cua tre » cua te, cuu tre, cua triet
tinh ca » tinh cao, tinh cua, tinh va
xa tinh » va tinh, ha tinh, ca tinh
hieu ve » hieu va, hieu van
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
ha hoi » hoa hoi, ha noi, xa hoi
su xac » pu xac, su cac
ca cua » co cua
su sac » su sach, su cac

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

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