Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
nang doi » nang noi, hang doi, nang dong
nang doc » nang luc
thuc day » thuc dan, thuc vat
thu sac » thu sach, thu san, thu xac
hanh ve » hanh vi, hanh va, hanh kem
hanh di » hanh vi, hanh de, hang di
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky ((nang doi) or (nang doc)) hoi. hieu va pham thuc day ((hanh di) or (hanh ve)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((nang doi) OR (nang doc)) hoi. hieu va pham thuc day ((hanh di) OR (hanh ve)) cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((nang doi) or (nang doc)) hoi. hieu va pham thuc day ((hanh di) or (hanh ve)) cua te*.