Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
nam thuc » nam thuoc, am thuc, nam thu
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
su sai » su tai, su hai, su dai
sai ky » sac ky
ve nam » he nam, va nam, le nam
vu van » tu van
vu va » tu va, su va

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 nang x ho. hieu ve nam thuc van hanh ((vu va) OR (vu van)) trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky nang x ho. hieu ve nam thuc van hanh ((vu va) OR (vu van)) trien".
• Adding a wildcard symbol may retrieve word variants: su sai ky nang x ho. hieu ve nam thuc van hanh ((vu va) OR (vu van)) trien*.