Perhaps you should try some spelling variations:
thuy dong » thuy duong, huy dong, thuy dung
van hanh » van thanh, ban hanh, van anh
toc cham » toc thai
lang van » dang van, tang van, hoang van
duc van » duc va, duc tan, duc manh
vu cham » va cham, vu kham, tu cham
lang xa » lang ha, dang xay
dong y » dang y
vi va » vi van, vai va, vu va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuy dong y ((lang xa) or (lang van)) hoi. hieu ((vu cham) or (toc cham)) duc van hanh vi va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuy dong y ((lang xa) OR (lang van)) hoi. hieu ((vu cham) OR (toc cham)) duc van hanh vi va thiet.
• Adding a wildcard symbol may retrieve word variants: thuy dong y ((lang xa) or (lang van)) hoi. hieu ((vu cham) or (toc cham)) duc van hanh vi va thiet*.