Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
thai cua » than cua, tai cuc, tri cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hai cua » hoi cua, lai cua, hai quan
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang xa hoi. hieu ve cham thuc van hanh ((((hai cua) or (thai cua))) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang xa hoi. hieu ve cham thuc van hanh ((((hai cua) OR (thai cua))) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang xa hoi. hieu ve cham thuc van hanh ((((hai cua) or (thai cua))) or (dai cua)) tre*.