Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
hanh noi » ha noi, hanh vi, nang noi
van hanh » van thanh, ban hanh, van anh
vien cam » vien cac, vien cao, vien nam
toc sach » hoc sach, doc sach, thuoc sach
lang xa » lang ha, dang xay, lang van
sach lo » sach dao, sach doi, sach hoi
xuc van » duc van, luc van, vuc van
nang ma » tang ma, sang ma, nang cao
cua tuc » cua duc, cua thuoc, luat tuc
cua tu » cua su, cua cu, cua te

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach lo ((nang ma) or (lang xa)) hoi. hieu vien cam xuc van hanh noi ((cua tuc) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach lo ((nang ma) OR (lang xa)) hoi. hieu vien cam xuc van hanh noi ((cua tuc) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach lo ((nang ma) or (lang xa)) hoi. hieu vien cam xuc van hanh noi ((cua tuc) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: toc sach lo ((nang ma) or (lang xa)) hoi. hieu vien cam xuc van hanh noi ((cua tuc) OR (cua tu))*.