Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van ban
te sach » toc sach
van anh » van thanh, tuan anh, van minh
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua
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: te sach y lang xa hoi. ((hieu va) or (hieu van)) cam tuc ((van hanh) OR (van anh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. ((hieu va) OR (hieu van)) cam tuc ((van hanh) OR (van anh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. ((hieu va) or (hieu van)) cam tuc ((van hanh) OR (van anh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. ((hieu va) or (hieu van)) cam tuc ((van hanh) OR (van anh)) vi cua te*.