Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
nang doi » nang doc, nang noi, hang doi
thuc dan » thuc hanh, hoc dan, thuc vat
thu sac » thu sach, thu san, thu xac
doi hoi » doi thoi, doi voi, doi moi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
hanh di » hanh vi, hanh de, hang di
hanh ve » hanh vi, hanh va, hanh kem
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 hoi. hieu ve pham thuc dan ((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 hoi. hieu ve pham thuc dan ((hanh di) OR (hanh ve)) cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang doi hoi. hieu ve pham thuc dan ((hanh di) or (hanh ve)) cua te*.