Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
nang mai » nang ma, nang tai, lang mai
xuc van » duc van, luc van, vuc van
mai hoi » mai khoi, dai hoi, lai hoi
sach ky » sach y, sach ty, sach kem
va cao » va cac, va co, va dao
ve cam » ve cham, ve cac, va cam
sac ky » cac ky, sai ky
di cua » dai cua, doi cua, de cua

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 mai hoi. hieu ((ve cam) or (va cao)) xuc van thanh di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang mai hoi. hieu ((ve cam) OR (va cao)) xuc van thanh di cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) nang mai hoi. hieu ((ve cam) or (va cao)) xuc van thanh di cua vat*".