Perhaps you should try some spelling variations:
thu canh » thu cong, thu ban, thu hang
cam thuc » am thuc, nam thuc, cam thu
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hai cua » thai cua, dai cua, hoi cua
lai cua » dai cua, lai chau, thai cua
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu canh) OR (thuc hanh)) ky nang xa hoi. hieu ve cam thuc van hanh ((hai cua) or (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu canh) OR (thuc hanh)) ky nang xa hoi. hieu ve cam thuc van hanh ((hai cua) OR (lai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu canh) OR (thuc hanh)) ky nang xa hoi. hieu ve cam thuc van hanh ((hai cua) or (lai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((thu canh) OR (thuc hanh)) ky nang xa hoi. hieu ve cam thuc van hanh ((hai cua) or (lai cua)) tre*.