Perhaps you should try some spelling variations:
te sach » toc sach
tuc van » thuc van, truc van, duc van
cua duc » cua tuc, cua nuoc, cua quoc
lang xa » lang ha, dang xay, lang van
ve cam » ve cham, ve cac, va cam
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
tuc va » thuc va, truc va, tuc xa
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
va cao » va cac, va co, va dao

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 o lang xa hoi. hieu ((ve cam) or (va cao)) ((tuc van) OR (tuc va)) anh vi cua duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach o lang xa hoi. hieu ((ve cam) OR (va cao)) ((tuc van) OR (tuc va)) anh vi cua duc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach o lang xa hoi. hieu ((ve cam) or (va cao)) ((tuc van) OR (tuc va)) anh vi cua duc".
• Adding a wildcard symbol may retrieve word variants: te sach o lang xa hoi. hieu ((ve cam) or (va cao)) ((tuc van) OR (tuc va)) anh vi cua duc*.