Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
sang ma » tang ma, nang ma, sang tao
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
hieu v » hieu va, hieu ve, hieu 2
v pham » vi pham, d pham
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 sac ky ((sang lai) or (sang ma)) hoi. hieu v pham duc va hanh ((vi cua) or (di cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang lai) OR (sang ma)) hoi. hieu v pham duc va hanh ((vi cua) OR (di cua)) te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((sang lai) or (sang ma)) hoi. hieu v pham duc va hanh ((vi cua) or (di cua)) te*.