Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
ve cham » va cham, ve chat, vu cham
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
lap hoi » lap doi, lai hoi, lap hai
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
tu sac » tu sach, tu cac, tu san
tuc va » truc va, tuc xa, duc va
cua te » cua tu

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 sang) OR (ky dang)) lap hoi. hieu ve cham ((tuc va) or (thuc va)) hanh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (ky dang)) lap hoi. hieu ve cham ((tuc va) OR (thuc va)) hanh tri cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) OR (ky dang)) lap hoi. hieu ve cham ((tuc va) or (thuc va)) hanh tri cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) OR (ky dang)) lap hoi. hieu ve cham ((tuc va) or (thuc va)) hanh tri cua te*.