Perhaps you should try some spelling variations:
manh dai » manh hai, vanh dai, manh khai
lang xa » lang ha, dang xay, lang van
va manh » van manh, va danh, va hanh
cua tre » cua te, cuu tre, cua triet
can ky » dan ky, ban ky, tan ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((can ky) or (van ky)) lang xa hoi. hieu ((ve cam) or (va cam)) tuc va manh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((can ky) OR (van ky)) lang xa hoi. hieu ((ve cam) OR (va cam)) tuc va manh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((can ky) or (van ky)) lang xa hoi. hieu ((ve cam) or (va cam)) tuc va manh dai cua tre*.