Perhaps you should try some spelling variations:
manh han » manh hai, manh hon, anh han
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
han tai » hang tai, nhan tai, van tai
cua tre » cuu tre, cua triet, dua tren
sac ky » cac ky, sai ky
ve cao » va cao, ve bao, ve cac
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sac ky)) nang x hoi. hieu ve cao suc manh han tai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang x hoi. hieu ve cao suc manh han tai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang x hoi. hieu ve cao suc manh han tai ((cua tre) or (cua te))*.