Perhaps you should try some spelling variations:
lang xa » lang ha, dang xay, lang van
sang ma » tang ma, nang ma, sang tao
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
vi cua » vai cua
di cua » dai cua, doi cua, de cua
bach » sach, cach, bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ly ((lang xa) or (sang ma)) hoi. hieu va cam luc va hanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ly ((lang xa) OR (sang ma)) hoi. hieu va cam luc va hanh ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu bach ly ((lang xa) or (sang ma)) hoi. hieu va cam luc va hanh ((vi cua) or (di cua)) tre*.