Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
manh thanh » danh thanh, minh thanh, manh thang
thai cua » than cua, tai cuc, tri cua
duc manh » suc manh, duc anh, duc minh
cua tre » cua te, cuu tre, cua triet
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
ve cac » va cac, vien cac
su sac » su sach, su cac
su xac » pu xac, su cac
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: ((su sac) OR (su xac)) ky tang xa hoi. hieu ((ve cam) or (ve cac)) duc manh thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) ky tang xa hoi. hieu ((ve cam) OR (ve cac)) duc manh thanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su xac)) ky tang xa hoi. hieu ((ve cam) or (ve cac)) duc manh thanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su xac)) ky tang xa hoi. hieu ((ve cam) or (ve cac)) duc manh thanh thai cua tre*.