Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
tu sang » thu sang, tu san, tu lang
sang ky » sang kyo, dang ky, tang ky
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
dai cua » doi cua
ve cac » va cac, vien cac
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sang ky nang x ho. hieu ((va cham) or (ve cac)) duc va hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky nang x ho. hieu ((va cham) OR (ve cac)) duc va hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sang ky nang x ho. hieu ((va cham) or (ve cac)) duc va hanh dai cua tu*.