Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thu sach » tu sach, thuat sach, thuoc sach
vat hanh » vat thanh, van hanh, va hanh
thu sac » thu san, thu xac, thu dac
hanh di » hanh vi, hanh de, hang di
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
moi doi » hoi doi, moi voi, noi doi
voi doi » vong doi
di cua » dai cua, doi cua, de cua
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) or (thu sach)) ky nang ((voi doi) or (moi doi)). hieu va pham thuc vat hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu sach)) ky nang ((voi doi) OR (moi doi)). hieu va pham thuc vat hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sac) or (thu sach)) ky nang ((voi doi) or (moi doi)). hieu va pham thuc vat hanh di cua te*.