Perhaps you should try some spelling variations:
manh hai » lanh hai, minh hai, thanh hai
quoc ban » quoc bao, quoc lan, quoc quan
xuat ban » luat ban, xuat san, thuat ban
hai cho » han cho, hoi cho, lai cho
cho tre » cho thue, khoe tre
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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 xa hoi. hieu ve cam ((xuat ban) or (quoc ban)) manh hai cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cam ((xuat ban) OR (quoc ban)) manh hai cho tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang xa hoi. hieu ve cam ((xuat ban) or (quoc ban)) manh hai cho tre*.