Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
xach tay » canh tay
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
nang xa » nang x, lang xa, nang ma
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xach tay) or (sach y)) nang xa hoi. hieu ((ve cam) or (va cham)) duc van hanh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (sach y)) nang xa hoi. hieu ((ve cam) OR (va cham)) duc van hanh vi cua su.
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (sach y)) nang xa hoi. hieu ((ve cam) or (va cham)) duc van hanh vi cua su*.