Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
lai chay » lai chau, lam chay, lai chang
hanh lai » hanh lam, hanh tai, thanh lap
ky tang » ky dang, kho tang, ky trong
hieu ve » hieu va, hieu van
te sac » te sach, te cac, te san
loc va » hoc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa
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 sac ((ky tang) OR (ky nang)) ma hoi. hieu ve cac ((loc va) or (thuc vat)) hanh lai chay tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ((ky tang) OR (ky nang)) ma hoi. hieu ve cac ((loc va) OR (thuc vat)) hanh lai chay tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ((ky tang) OR (ky nang)) ma hoi. hieu ve cac ((loc va) or (thuc vat)) hanh lai chay tren*".