Perhaps you should try some spelling variations:
ban hanh » ban hang
va thanh » gia thanh, ban thanh, va tinh
thu san » thuy san, thu ban, thuat san
phu san » phi san, thuy san
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu san) OR (phu san)) ky nang xa hoi. hieu ve cac duc ((ban hanh) or (va thanh)) dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu san) OR (phu san)) ky nang xa hoi. hieu ve cac duc ((ban hanh) OR (va thanh)) dai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu san) OR (phu san)) ky nang xa hoi. hieu ve cac duc ((ban hanh) or (va thanh)) dai cua tu".
• Adding a wildcard symbol may retrieve word variants: ((thu san) OR (phu san)) ky nang xa hoi. hieu ve cac duc ((ban hanh) or (va thanh)) dai cua tu*.