Perhaps you should try some spelling variations:
cua tren » dua tren, ca tren, cua tre
hanh vai » hanh vi, hanh va, hanh tai
sang mai » sang ma, sang tai, lang mai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
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
luc va » duc va, tuc va, loc va
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)) luc va hanh vai cua 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)) luc va hanh vai cua tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sac) OR (thu xac)) ky sang mai hoi. hieu ((ve cam) or (ve cac)) luc va hanh vai cua tren".
• Adding a wildcard symbol may retrieve word variants: ((thu sac) OR (thu xac)) ky sang mai hoi. hieu ((ve cam) or (ve cac)) luc va hanh vai cua tren*.