Perhaps you should try some spelling variations:
ban hanh » ban hang
dua tren » dung tren
truc ban » thuc ban, truc dan, truc van
cuu tre » cua tre, cau tren, cau treo
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hanh ve » hanh vi, hanh va, hanh kem
te sai » te tai, te bai, te lai
sai ky » sac ky
ve cau » ke cau, va cau, le cau
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky dang xa hoi. hieu ((ve cau) OR (ve cac)) truc ban hanh ve ((dua tren) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky dang xa hoi. hieu ((ve cau) OR (ve cac)) truc ban hanh ve ((dua tren) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sai ky dang xa hoi. hieu ((ve cau) OR (ve cac)) truc ban hanh ve ((dua tren) OR (cuu tre))*.