Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
hieu so » thieu so
duc van » duc va, duc tan, duc manh
ky sang » ky nang, ky dang, ky tang
tai hai » dai hai, tai ha, tai phan
vai cua » dai cua, hai cua, lai cua
thi hai » thi mai, thi hanh
so chat » soat chat, song chat, cao chat
xuc van » luc van, vuc van, xuc ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu

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 ((tai hai) OR (thi hai)). hieu so chat ((xuc van) or (duc van)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((tai hai) OR (thi hai)). hieu so chat ((xuc van) OR (duc van)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((tai hai) OR (thi hai)). hieu so chat ((xuc van) or (duc van)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((tai hai) OR (thi hai)). hieu so chat ((xuc van) or (duc van)) hanh vai cua te*.