Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
sieu van » hieu van, su van, lieu va
dau thuc » dan thuc, dai thuc, dam thuc
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
cau tren » cu tren, dau tren, ca tren
ly nang » ky nang, ly hang, ly vang
van dau » van dao, phan dau
hanh ve » hanh vi, hanh va, hanh kem
y nang » ky nang, v nang, may nang
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ((y nang) or (ly nang)) xa hoi. sieu van dau thuc van hanh ve cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((y nang) OR (ly nang)) xa hoi. sieu van dau thuc van hanh ve cau tren.
• Adding a wildcard symbol may retrieve word variants: vu khach ((y nang) or (ly nang)) xa hoi. sieu van dau thuc van hanh ve cau tren*.