Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
cua tre » cua te, cuu tre, dua tren
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
dang xa » lang xa, dang ha, dang va
sai ky » sac ky
ve cam » ve cham, ve cac, va cam
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 xa) OR (dang xay)) hoi. hieu ve cam duc va thanh thai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((dang xa) OR (dang xay)) hoi. hieu ve cam duc va thanh thai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky ((dang xa) OR (dang xay)) hoi. hieu ve cam duc va thanh thai ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sai ky ((dang xa) OR (dang xay)) hoi. hieu ve cam duc va thanh thai ((cua tre) or (cua triet))*.