Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cam » vien cac, vien cao, vien nam
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
te sach » toc sach
sach lo » sach dao, sach doi, sach hoi
lang xa » lang ha, dang xay, lang van
doi cua » dai cua, hoi cua
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach lo ((nang x) or (lang xa)) hoi. hieu vien cam xuc ((van hanh) OR (ban hanh)) doi cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach lo ((nang x) OR (lang xa)) hoi. hieu vien cam xuc ((van hanh) OR (ban hanh)) doi cua chu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach lo ((nang x) or (lang xa)) hoi. hieu vien cam xuc ((van hanh) OR (ban hanh)) doi cua chu*".