Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
hanh de » hanh ve, hanh kem
luc van » luoc van, luu van, duc van
va cham » va chat, va tham
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang xa hoi. hieu ((ve cam) or (va cham)) luc van hanh de ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang xa hoi. hieu ((ve cam) OR (va cham)) luc van hanh de ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky dang xa hoi. hieu ((ve cam) or (va cham)) luc van hanh de ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sac ky dang xa hoi. hieu ((ve cam) or (va cham)) luc van hanh de ((cua tre) OR (cuu tre))*.