Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
danh vai » danh sai, danh va, doanh van
cuu tre » cua tre, cau tren, cau treo
vai cuu » vai cua
va danh » va dinh, va dan, va hanh
lang xa » lang ha, dang xay
ban ky » van ky, dan ky
ve cac » vien cac
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ky ((lang xa) OR (lang van)) hoi. hieu ((ve cac) or (va cac)) tu va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky ((lang xa) OR (lang van)) hoi. hieu ((ve cac) OR (va cac)) tu va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ban ky ((lang xa) OR (lang van)) hoi. hieu ((ve cac) or (va cac)) tu va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ban ky ((lang xa) OR (lang van)) hoi. hieu ((ve cac) or (va cac)) tu va danh vai cuu tre*.