Perhaps you should try some spelling variations:
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
cac cuu » cap cuu, cac chu, cac cua
cac cau » cac mau, bac cau, ca cau
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
vi cau » va cau, di cau, viet cau
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: te sac ky nang xa hoi. lieu va ((cac cuu) or (cac cau)) ban hanh ((vi cau) OR (ve cau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang xa hoi. lieu va ((cac cuu) OR (cac cau)) ban hanh ((vi cau) OR (ve cau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang xa hoi. lieu va ((cac cuu) or (cac cau)) ban hanh ((vi cau) OR (ve cau)) treo".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. lieu va ((cac cuu) or (cac cau)) ban hanh ((vi cau) OR (ve cau)) treo*.