Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
va chat » van chat, va phat, cao chat
duc van » duc va, duc tan, duc manh
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky lang xa hoi. hieu ((ve cham) or (va chat)) duc van hanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky lang xa hoi. hieu ((ve cham) OR (va chat)) duc van hanh ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky lang xa hoi. hieu ((ve cham) or (va chat)) duc van hanh ((vi cua) or (di cua)) tre*.