Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh vai » hanh vi, hanh va, hanh tai
sang mai » sang ma, sang tai, lang mai
vai cau » va cau, van cau, vai cac
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
thu sac » thu sach, thu san, thu dac
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
thu xac » thau xay
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sac) or (thu xac)) ky sang mai hoi. hieu ((ve cam) or (ve cac)) thuc va hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu xac)) ky sang mai hoi. hieu ((ve cam) OR (ve cac)) thuc va hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((thu sac) or (thu xac)) ky sang mai hoi. hieu ((ve cam) or (ve cac)) thuc va hanh vai cau tren*.