Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nay thuc » nam thuc, cay thuc, day thuc
toc sac » toc sach, toc san, hoc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
qua nay » qua ngay, qua xay, qua cay
thuc va » thuc vat, thuc dan, thuc day
dan vai » dan va, dan tai, dan vat
cu tren » tu tren, dua tren
sac ky » cac ky, sai ky
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky lang xa hoi. hieu qua nay thuc va dan vai ((cu tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky lang xa hoi. hieu qua nay thuc va dan vai ((cu tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: toc sac ky lang xa hoi. hieu qua nay thuc va dan vai ((cu tren) or (cua triet))*.