Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tang mai » tang ma, tang tai, lang mai
ky tang » ky nang, ky dang, kho tang
mai hoi » mai khoi, dai hoi, lai hoi
xuc van » duc van, luc van, vuc van
tu sac » tu sach, tu cac, tu san
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
va cao » va cac, va co, va dao
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 sac ky tang mai hoi. hieu ((ve cam) or (va cao)) xuc van thanh ((di cua) OR (de cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang mai hoi. hieu ((ve cam) OR (va cao)) xuc van thanh ((di cua) OR (de cua)) vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang mai hoi. hieu ((ve cam) or (va cao)) xuc van thanh ((di cua) OR (de cua)) vat*".