Perhaps you should try some spelling variations:
muong dong » muong doong, muong duong, tuong dong
thien van » thi van
dong cua » dung cua, cong cua, huong cua
xa muong » ca muong, xa truong, xa dong
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
cua tre » cua te, cuu tre, cua triet
sanh ky » sang ky, nganh ky, thanh ky
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
hanh ky » hanh kem

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sanh ky) or (hanh ky)) ((nang xa) OR (nang ma)) hoi. thien van cam tuc xa muong dong cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sanh ky) OR (hanh ky)) ((nang xa) OR (nang ma)) hoi. thien van cam tuc xa muong dong cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sanh ky) or (hanh ky)) ((nang xa) OR (nang ma)) hoi. thien van cam tuc xa muong dong cua tre".
• Adding a wildcard symbol may retrieve word variants: so ((sanh ky) or (hanh ky)) ((nang xa) OR (nang ma)) hoi. thien van cam tuc xa muong dong cua tre*.