Perhaps you should try some spelling variations:
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
sach ly » sach y, sach ty, sach hay
hieu va » lieu va, hieu qua
lang ha » long ha
sach lo » sach dao, sach doi, sach hoi
cua tec » cua tuc, cua toc, cua viec
ha hoi » hoa hoi, ha noi, xa hoi
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc 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 ((sach ly) or (sach lo)) lang ha hoi. hieu va cam luc va hanh di ((cua te) or (cua tec))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach lo)) lang ha hoi. hieu va cam luc va hanh di ((cua te) OR (cua tec)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ly) or (sach lo)) lang ha hoi. hieu va cam luc va hanh di ((cua te) or (cua tec))*.